Master modules connect the entire range of M-Bus modules (except the MB-BT – Bluetooth) on a PC or a PLC with USB or RS232 through and ASCII protocol or with MODBUS-RTU.
The FMB-PLC is the M-Bus master module dedicated to automation applications, providing the interface between the production line's PLC and the full range of M-Bus modules.
The FMB-MA is the M-Bus master module dedicated to PC-based applications, providing the interface between the control PC and the full range of Metro precision measuring modules.